Home / 97,712.40-146,568.60-50,959.20

Finding the Fourth Proportional to 97,712.40, 146,568.60 and 50,959.20

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Solution

The fourth proportional to 97,712.40, 146,568.60 and 50,959.20 is: 76,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,712.40 : 146,568.60 = 50,959.20 : x
  2. Step 2: Convert to fraction form
    97,712.40/146,568.60 = 50,959.20/x
  3. Step 3: Cross multiply
    97,712.40x = 146,568.60 × 50,959.20
  4. Step 4: Simplify right side
    97,712.40x = 7,469,018,601.12
  5. Step 5: Solve for x
    x = 7,469,018,601.12/97,712.40
  6. Step 6: Final answer
    x = 76,438.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.